01-18-2022, 06:55 PM
I think you are referring to the Dual Condenser Drive Shaft, you can tune wide or narrow, pull/push tuning knob in or out to go wide or narrow.
[Image: https://www.radiomuseum.org/images/schem...622202.png]
Schematic on Nostalgia may tell you all you need,
Paul Silvertone.......
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[Image: https://www.radiomuseum.org/images/schem...622202.png]
Schematic on Nostalgia may tell you all you need,
Paul Silvertone.......
![Icon_smile Icon_smile](https://philcoradio.com/phorum/images/smilies/icon_smile.gif)
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